Weld-On Prison Hinge

Description

• Double and triple weight steel weld-on prison hinges.
• Made for very heavy doors such as prison doors, lead-lined x-ray room doors, and other exceptionally heavy doors.
• Also for hinged cell-front doors and grated steel doors of penitentiaries, jails, reformatories, etc.
• Made from steel with welded pin. Phosphated and prime coated for painting.
• Hinge pin is on solid piece of steel welded at both ends making pin removable impossible.
• Features two concealed ball bearings assemblies with hardened raceways.
• Rolled knuckles are welded and machined.
• Hinge is not swagged. Made for full surface installation (not for mortise installations)
• Lubrication port in barrel of hinge.
• Note: Weight rating is based on a door that is 7′ H x 3′ W using three hinges.

800 lb Model:

• Made of double weight steel capable of carrying doors weighing up to 800 lb per three hinges.
• Each hinge leaf is 5″ H x 2-7/16″ W.
• Pin diameter is 1/2″. Barrell diameter is 1″.
• Leaf thickness is 9/32″ (7.1mm).
• Each bearing contains sixteen 1/8″ (3.2mm) hardened and ground steel balls which are assembled within a jacket.

1200 lb Model:

• Made of triple weight steel capable of carrying doors weighing up to 1200 lb per three hinges.
• Each hinge leaf is 5″ H x 2-3/16″ W.
• Pin diameter is 3/4″. Barrel diameter is 1-7/16″
• Leaf thickness is 3/8″ (9.5mm).
• Each bearing contains sixteen 3/16″ (4.8mm) hardened and ground steel balls assembled within a jacket.